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fix CVE-2017-9287 vulnerability in servers/slapd/back-mdb/search.c 

Resolves: #1456713
This commit is contained in:
Matúš Honěk 2017-05-31 15:42:53 +02:00
parent 32c688fc27
commit 2ee572d2cb
2 changed files with 30 additions and 1 deletions
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23
openldap-ITS8655-fix-double-free-on-paged-search-with-pagesize-0.patch Normal file
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@ -0,0 +1,23 @@
commit ec2fe743f5795eb7aaf43687e6b257ac071cef22
Author: Ryan Tandy <ryan@nardis.ca>
Date: Wed May 17 20:07:39 2017 -0700
ITS#8655 fix double free on paged search with pagesize 0
Fixes a double free when a search includes the Paged Results control
with a page size of 0 and the search base matches the filter.
diff --git a/servers/slapd/back-mdb/search.c b/servers/slapd/back-mdb/search.c
index 009939d..d0db918 100644
--- a/servers/slapd/back-mdb/search.c
+++ b/servers/slapd/back-mdb/search.c
@@ -1066,7 +1066,8 @@ notfound:
/* check size limit */
if ( get_pagedresults(op) > SLAP_CONTROL_IGNORED ) {
if ( rs->sr_nentries >= ((PagedResultsState *)op->o_pagedresults_state)->ps_size ) {
- mdb_entry_return( op, e );
+ if (e != base)
+ mdb_entry_return( op, e );
e = NULL;
send_paged_response( op, rs, &lastid, tentries );
goto done;

8
openldap.spec
View File

@ -5,7 +5,7 @@
Name: openldap
Version: 2.4.44
Release: 10%{?dist}
Release: 11%{?dist}
Summary: LDAP support libraries
Group: System Environment/Daemons
License: OpenLDAP
@ -45,6 +45,8 @@ Patch19: openldap-switch-to-lt_dlopenadvise-to-get-RTLD_GLOBAL-set.patch
Patch20: openldap-ldapi-sasl.patch
Patch22: openldap-nss-protocol-version-new-api.patch
Patch30: openldap-ITS8655-fix-double-free-on-paged-search-with-pagesize-0.patch
Patch50: openldap-nss-cipher-attributes.patch
Patch51: openldap-nss-ciphers-parsing.patch
Patch52: openldap-nss-ciphers-use-nss-defaults.patch
@ -151,6 +153,7 @@ AUTOMAKE=%{_bindir}/true autoreconf -fi
%patch19 -p1
%patch20 -p1
%patch22 -p1
%patch30 -p1
%patch50 -p1
%patch51 -p1
@ -548,6 +551,9 @@ exit 0
%{_mandir}/man3/*
%changelog
* Tue Jul 4 2017 Matus Honek <mhonek@redhat.com> - 2.4.44-11
- fix CVE-2017-9287 openldap: Double free vulnerability in servers/slapd/back-mdb/search.c (#1456713)
* Fri Mar 31 2017 Matus Honek <mhonek@redhat.com> - 2.4.44-10
- NSS: Maximal TLS protocol version should be equal to NSS default (#1435689)